18
OIC 12en Edition 08/2016
Operating Instructions
Removing the pump
Installation, removal and connection
Removing the pump
Aids:
□
Flushing liquid
□
Collecting vessel
1. Flush pump with flushing liquid.
2. Disconnect the motor from the power supply and secure it against being switched back on.
3. Close the pressure and suction-side shut-off devices.
4. Empty the pump at the lower point using the screw plug
1
. While doing so collect the emitted mixture
of flushing liquid and pumped liquid in a collecting vessel, see Fig. 2, page 18.
5. In the case of a design with quench liquid, use the screw plug
2
to drain the quench liquid. While
doing so, collect the emitted quench liquid in a collecting vessel, see Fig. 3, page 18.
6. Loosen the connecting flange.
7. Loosen the fastening of the pump unit on the foundation and dismantle the motor and pump bracket.
1
Screw plug
2
Screw plug
Fig. 2
Draining the pump
Fig. 3
Draining sealing chamber B
1
B
2
2
DANGER
Risk of death resulting from electric shock.
► Ensure that the power supply is de-energized.
► The motor may only be separated from the power supply by an authorized electrician.
WARNING
Risk of injury through emitted hot, poisonous or corrosive pumped liquid.
► Wear protective equipment during all the work.
► Before beginning work, let the pump cool down to the ambient temperature.
► Ensure that the pump is depressurized.
► Collect the pumped liquid safely and dispose of it in an environmentally compatible manner.
